Even if Lawrence Welk inspired an aversion to accordions, you should find Queen Ida’s sun-dappled Creole style irresistible. The most enthralling cuts in Mardi Gras! (like ”Comment Ca Va”) come close to capturing the jubilance of this Grammy-winning zydeco queen’s live shows. But a walked-through cover of ”I Can See Clearly Now” and some other filler suggests she needs a producer who can zero in on her unique strengths. B-